Lindley Johnson

Lindley Johnson is assigned to NASA Headquarters Science Mission Directorate, Planetary Science Division, as the Lead Program Executive for the Planetary Defense Coordination Office and the NASA Planetary Defense Officer. Prior to NASA he served 23 years of Air Force active duty, obtained the rank of lieutenant colonel and numerous decorations while working on a variety of national security space systems. After joining NASA, he was the Program Executive for NASA’s Deep Impact mission to comet Tempel 1, launched in January 2005 to deliver an impact probe to the comet’s surface on July 4, 2005, and explore the composition and interior structure of comets. He then served for eight years as the Lead Program Executive for the Discovery Program of mid-class Solar System exploration missions. NASA’s NEO Observations program has discovered over 12,000 near-Earth asteroids and comets since Lindley became its manager, over 80% of the total known. Lindley has received NASA’s Exceptional Achievement Medal for his work on comet and asteroid missions. Asteroid 5905

Guests: John Batchelor, Lindley Johnson, Dr. David Livingston. Topics: NASA Planetary Defense, NEOs and asteroids, detection, mitigation strategies. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Written Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright.

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